Abstract
In this study, we have deliberately utilized the second-sphere coordination approach into the construction of supramolecular inclusion solids Cl ⊂ [H2 L1]·[InCl4] (Crystal I) and Br ⊂ [H2 L1]·[TeBr6] (Crystal II). The chloride or bromine anions can be encapsulated inside the host assemblies formed by the diamine molecule (4,6-dimethyl-1,3-phenylene) bis(N,N-dibenzylmethane) (L1) and the metal complexes ([InCl4]− and [TeBr6]2−) via second-sphere interactions. The inclusion complexes have been structurally characterized by X-ray crystallography, indicating that weak C–H···Cl and C–H···Br hydrogen bonding synthons play a significant role in the construction of host framework. 2-D networks are formed in both complexes by the interconnection of 1-D networks through the multiple weak hydrogen bonding interactions with [InCl4]− or [TeBr6]2−. The guest Cl− or Br− anions are encapsulated inside the host cages through N–H···Cl hydrogen bonds. The inclusion selectively was studied for the two host assemblies.
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This study was supported by the National Science Foundation of China (no. 20903052), and the Program for Liaoning Excellent Talents in University (LJQ2011003).
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Guo, F., Guan, Hy., Yu, Hc. et al. Inclusion of Cl− or Br− anions within host framework formed by second-sphere interactions. Struct Chem 24, 105–111 (2013). https://doi.org/10.1007/s11224-012-0034-y
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DOI: https://doi.org/10.1007/s11224-012-0034-y